七年级数学上册合并同类项练习题精编174Word文件下载.docx
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7(6m-1)+9m3-(7n-4)+(2n+9)
9(ab+6a)+(6a+2b)4(abc+4a)+7(3a+8abc)
7(xy+9z)-(-xy-9z)-2(pq+pr)+(9pq+pr)
-2a-(6a-3)8a-(4a-3z)-(5z-a)
8(3t-10)+3t5-(4n-2)+(9n+6)
2(-ab+9a)-(2a-8b)4(abc-6a)+2(8a-5abc)
6(xy+3z)+(-xy-4z)-9(pq+pr)+(9pq-pr)
4m-(5m+8)3m-(5m-5d)-(4d+9m)
2(6b+9)-8b10+(8y+6)-(4y-2)
4(-ab-4a)+(9a-9b)14(abc-9a)+9(8a-4abc)
9(xy-8z)-(-xy+5z)-8(pq-pr)-(6pq-pr)
6x+(3x+9)9x+(4x+5c)+(5c-8x)
5(9n+8)-7n4-(4n+2)+(4n+5)
7(ab-6a)+(7a+8b)19(abc-9a)+7(8a-2abc)
9(xy+2z)-(-xy+8z)-6(pq+pr)+(2pq+pr)
2b-(8b-8)b-(7b+3z)+(4z-6b)
-3(2n+1)-9n5+(9y-3)+(6y-9)
7(-ab+9a)-(9a-3b)20(abc-8a)+9(3a+9abc)
3(xy+8z)+(-xy+8z)-9(pq+pr)-(7pq-pr)
-3m+(3m-2)m-(6m+6q)-(4q-7m)
8(4b+4)+9b10-(2a-10)+(5a-5)
8(ab-5a)-(4a+7b)11(abc+2a)+6(8a+2abc)
4(xy-3z)+(-xy+6z)-6(pq-pr)+(9pq+pr)
-5b+(6b-1)b-(7b-5q)-(6q+b)
-7(6a+9)+4a5+(9x-7)-(4x-10)
9(-ab+5a)-(7a-3b)15(abc-6a)-5(4a+9abc)
9(xy+9z)-(-xy+7z)-2(pq-pr)-(7pq+pr)
-8y-(5y+9)5y+(6y-2z)+(4z+6y)
-6(5s+10)+7s7+(5y-10)+(7y+3)
4(-ab-3a)+(2a+8b)9(abc-9a)-8(3a-9abc)
4(xy-5z)-(-xy-7z)-7(pq-pr)+(8pq+pr)
-5a+(6a-1)a-(5a-5p)+(7p+4a)
5(3a+4)+5a5+(4b+5)-(5b+4)
3(-ab-6a)-(5a+7b)12(abc-7a)-4(4a+7abc)
7(xy-3z)+(-xy-4z)-6(pq-pr)+(2pq-pr)
8b+(2b+2)b-(6b-5p)-(8p+8b)
-9(3n-7)-9n6+(2n+8)+(4n+7)
5(-ab+3a)+(3a+9b)6(abc-7a)-2(4a+5abc)
7(xy+4z)+(-xy+9z)-9(pq+pr)-(2pq+pr)
2n-(2n-7)n+(3n-3d)-(8d-n)
4(4b+6)+3b9+(5x-10)-(8x-9)
8(ab+5a)-(6a+6b)16(abc-2a)+3(8a+9abc)
5(xy+7z)+(-xy+3z)-3(pq-pr)+(9pq+pr)
2a-(3a+8)a-(8a-3p)-(3p-a)
-8(3n+1)-8n1-(9b+1)-(7b-9)
2(-ab-7a)-(3a+2b)3(abc-8a)+5(2a+2abc)
7(xy-9z)-(-xy-9z)-7(pq+pr)+(2pq+pr)
4n-(9n-4)n-(8n+8p)+(9p-8n)
6(3m-2)-9m8+(9a+1)-(9a+4)
5(-ab+4a)+(6a+6b)7(abc+3a)+9(3a-8abc)
7(xy+8z)-(-xy-5z)-3(pq+pr)-(2pq-pr)
-7b+(9b+7)b+(6b+5s)-(5s-5b)
4(8n-10)-7n3-(2y+2)+(3y+8)
4(ab+9a)+(9a-3b)3(abc+9a)+9(5a+2abc)
5(xy+6z)+(-xy+9z)-9(pq+pr)+(2pq-pr)
6b-(3b+1)b+(8b-8c)-(4c+b)
8(7n+3)+5n3+(5b-4)-(8b+10)
3(ab-7a)+(7a+4b)4(abc+9a)-4(9a+5abc)
6(xy+4z)-(-xy-2z)-6(pq-pr)-(5pq-pr)
-5n-(4n+5)2n+(3n+7s)-(3s+5n)
-2(2t+6)-2t5+(4y+2)-(8y+6)
3(-ab-7a)-(6a-6b)4(abc-2a)-9(6a-6abc)
7(xy+3z)+(-xy-3z)-9(pq-pr)-(9pq-pr)
3a+(6a+4)6a+(7a-2d)-(6d+3a)
8(2b-2)-8b3-(4x-10)-(5x-1)
2(-ab+5a)+(2a+2b)12(abc-6a)-3(7a+2abc)
7(xy-8z)-(-xy-5z)-2(pq+pr)-(5pq+pr)
-6b+(4b+1)b+(2b-2s)-(8s-b)
-4(4a+5)-6a1-(9m-9)-(3m+3)